Tetra Pond GreenFree UV Clarifier, 5W, 660 Gallons, For Clean and Clear Ponds Aquarium Water Treatments

from moki

After fighting algae for 2 1/2 yrs in my 5000 gal pond with 90 deg weather I was about to fill it in and do away with it. I had heard about a UV classifier but never looked in to it very far. I sta...

from nealmichael

Had very green water in my small pond. Bought the Greenfree UV and a week later the water is clear.

from Mnpond

This is my first year having my own pond. And I was so sad and disappointed when the moment the water temp went up to 50degrees it went to solid green soup. All my beautiful goldfish and koi were n...

from Old guy

Works great. FYI used thread tape on threaded fittings. I say this because I see people complaining about leaks. I myself haven't had any. Algae is gone in a couple of days. Crystal clear!

from PondPaul

I bought this product because the filter I had with the UV light built in failed on me. The filter still works great its just the light unit no longer works, after only 3 years. I didn't want to ge...